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authorMohammed Hawari <mohammed@hawari.fr>2023-05-26 14:52:50 +0200
committerDamjan Marion <dmarion@0xa5.net>2023-06-30 11:35:44 +0000
commit52fa5f21b911aaf1c50feb560dd3683b83625d2f (patch)
treef29e6ba9e62b6102284988d5bde7494c93e23407 /src/vlib/trace.h
parent60527bd6df4772bb4215403f2eea1b61b8b10157 (diff)
vlib: introduce trace filter functions
Change-Id: I7a988fafe98599e4fcf7cdaa307a69b9d76650f0 Signed-off-by: Mohammed Hawari <mohammed@hawari.fr> Type: improvement
Diffstat (limited to 'src/vlib/trace.h')
-rw-r--r--src/vlib/trace.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/vlib/trace.h b/src/vlib/trace.h
index d045271f853..46256ce4e9e 100644
--- a/src/vlib/trace.h
+++ b/src/vlib/trace.h
@@ -80,6 +80,17 @@ typedef void *(vlib_add_trace_callback_t) (struct vlib_main_t *,
struct vlib_buffer_t * b,
u32 n_data_bytes);
+typedef int (vlib_is_packet_traced_fn_t) (vlib_buffer_t *b,
+ u32 classify_table_index, int func);
+typedef struct vlib_trace_filter_function_registration
+{
+ const char *name;
+ const char *description;
+ int priority;
+ vlib_is_packet_traced_fn_t *function;
+ struct vlib_trace_filter_function_registration *next;
+} vlib_trace_filter_function_registration_t;
+
typedef struct
{
/* Pool of trace buffers. */
@@ -109,9 +120,32 @@ typedef struct
/* a callback to enable customized addition of a new trace */
vlib_add_trace_callback_t *add_trace_callback;
+ vlib_is_packet_traced_fn_t *current_trace_filter_function;
+
} vlib_trace_main_t;
format_function_t format_vlib_trace;
+typedef struct
+{
+ vlib_trace_filter_function_registration_t *trace_filter_registration;
+} vlib_trace_filter_main_t;
+
+extern vlib_trace_filter_main_t vlib_trace_filter_main;
+#define VLIB_REGISTER_TRACE_FILTER_FUNCTION(x, ...) \
+ __VA_ARGS__ vlib_trace_filter_function_registration_t \
+ __vlib_trace_filter_function_##x; \
+ static void __clib_constructor \
+ __vlib_trace_filter_function_registration_##x (void) \
+ { \
+ vlib_trace_filter_main_t *tfm = &vlib_trace_filter_main; \
+ __vlib_trace_filter_function_##x.next = tfm->trace_filter_registration; \
+ tfm->trace_filter_registration = &__vlib_trace_filter_function_##x; \
+ } \
+ __VA_ARGS__ vlib_trace_filter_function_registration_t \
+ __vlib_trace_filter_function_##x
+
+vlib_is_packet_traced_fn_t *
+vlib_is_packet_traced_function_from_name (const char *name);
void trace_apply_filter (struct vlib_main_t *vm);
int trace_time_cmp (void *a1, void *a2);
@@ -121,6 +155,9 @@ void trace_update_capture_options (u32 add, u32 node_index,
u32 filter, u8 verbose);
void trace_filter_set (u32 node_index, u32 flag, u32 count);
void clear_trace_buffer (void);
+void vlib_set_trace_filter_function (vlib_is_packet_traced_fn_t *x);
+uword unformat_vlib_trace_filter_function (unformat_input_t *input,
+ va_list *args);
#endif /* included_vlib_trace_h */